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DDC: 660 × Has files: Yes × Subject: Ammonia × WGL Institute: DWI ×

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    Co-generation of Ammonia and H2 from H2O Vapor and N2 Using a Membrane Electrode Assembly
    (Weinheim : Wiley-VCH, 2020) Kugler, Kurt; Kriescher, Stefanie M.A.; Giela, Martin; Hosseiny, Schwan; Thimm, Kristof; Wessling, Matthias
    The direct electrochemical synthesis of NH3 from nitrogen and water vapor without the use of a fossil carbon source is highly desired. This synthesis is a viable option to store energy and produce fertilizer precursors. Here, a new Pt-free membrane electrode assembly is presented. An electrochemical membrane reactor demonstrates the feasibility of co-generating NH3 and H2 directly from nitrogen and water vapor at ambient conditions. An unprecedented high NH3-specific current efficiency of up to 27.5% using Ti as cathodic catalyst is reported. The co-generation can be tuned by the balance of process parameters. © 2019 The Authors. Published by WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim